847
CDUS41 KPHI 080557
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1257 AM EST MON DEC 08 2025
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 7 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1922 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 38 2:09 PM 71 1998 46 -8 40
MINIMUM 28 1:33 AM 4 1926 29 -1 28
AVERAGE 33 37 -4 34
PRECIPITATION (IN)
YESTERDAY 0.00 1.72 2011 0.14 -0.14 0.00
MONTH TO DATE 0.55 0.95 -0.40 0.03
SINCE DEC 1 0.55 0.95 -0.40 0.03
SINCE JAN 1 35.52 44.45 -8.93 38.23
SNOWFALL (IN)
YESTERDAY 0.0 1.0 1949 0.2 -0.2 0.0
MONTH TO DATE 0.8 0.9 -0.1 T
SINCE DEC 1 0.8 0.9 -0.1 T
SINCE JUL 1 1.0 2.0 -1.0 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 32 28 4 31
MONTH TO DATE 247 189 58 240
SINCE DEC 1 247 189 58 240
SINCE JUL 1 1259 1225 34 1109
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 924 981 -57 994
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 5.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 1:00 AM
LOWEST 54 11:00 AM
AVERAGE 72
......................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 45 67 1980
MINIMUM TEMPERATURE (F) 28 3 1926
SUNRISE AND SUNSET
DECEMBER 8 2025......SUNRISE 7:13 AM EST SUNSET 4:34 PM EST
DECEMBER 9 2025......SUNRISE 7:14 AM EST SUNSET 4:34 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page